NCT06652412

Brief Summary

This is a prospective, multicentre, cohort study. For cohort 1, experimental cohort, older or Frail patients with inoperable localized colorectal cancer will receive Ultrafractionated Radiotherapy (RT) and Comprehensive Geriatric Assessment (CGA) Guided systemic treatment. All patients will receive Ultrafractionated RT and PD-1 antibody. Furthermore, CGA will assess all patients and classify them into Frail, Vulnerabe, or Fit. Frail patients will receive Best Supportive Care (BSC); Vulnerabe patients will receive Fluorouracil/Raltitrexed and BSC; Fit patients will receive Fluorouracil/Raltitrexed, Oxaliplatin/Irinotecan, and BSC. For cohort 2, external control from real word, data of patients with the same baseline characteristics from the same period and the same institute will be prospectively collected. The primary endpoint is complete response (CR, pathological complete response \[pCR\] plus clinical complete response \[cCR\]) rate. The secondary endpoints include the grade 3-4 acute adverse effects rate, anal preservation rate, survival etc.

Trial Health

65
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
124

participants targeted

Target at P75+ for phase_2

Timeline
31mo left

Started Nov 2024

Typical duration for phase_2

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress38%
Nov 2024Nov 2028

First Submitted

Initial submission to the registry

October 21, 2024

Completed
1 day until next milestone

First Posted

Study publicly available on registry

October 22, 2024

Completed
10 days until next milestone

Study Start

First participant enrolled

November 1, 2024

Completed
3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2027

Expected
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2028

Last Updated

October 28, 2024

Status Verified

October 1, 2024

Enrollment Period

3 years

First QC Date

October 21, 2024

Last Update Submit

October 24, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Complete response (CR) rate

    Rate of complete response (CR), including the rate of pathologic complete response (pCR) after surgery and the rate of clinical complete response (cCR) with Watch \& Wait (W\&W) strategy.

    1 month after the surgery or the decision of W&W

Secondary Outcomes (7)

  • Grade 3-4 adverse effects rate

    From date of randomization until 3 months after the completion neoadjuvant therapy

  • 1 year anal preservation rate

    From date of randomization until the date of or date of death from any cause, whichever came first, assessed up to 12 months.

  • health-related quality of life (HRQOL)

    baseline, and at 3, 6 and 12 months.

  • 1 year disease free survival rate

    From date of randomization until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 12 months.

  • 1 year local recurrence free survival rate

    From date of randomization until the date of first documented pelvic failure, assessed up to 12 months.

  • +2 more secondary outcomes

Study Arms (2)

CGA cohort

EXPERIMENTAL

in cohort 1, all patients will receive Ultrafractionated RT, PD-1 antibody, and Comprehensive Geriatric Assessment (CGA) Guided systemic treatment. Furthermore, CGA will assess all patients and classify them into Frail, Vulnerabe, or Fit. Frail patients will receive Best Supportive Care (BSC); Vulnerabe patients will receive single agent chemotherapy and BSC; Fit patients will receive doublet chemotherapy and BSC.

Drug: Ultrafractionated RT and CGA Guided systemic treatment.Radiation: Ultrafractionated RadiotherapyDrug: SintilimabDrug: FluorouracilDrug: RaltitrexedDrug: OxaliplatinDrug: Irinotecan (CPT-11)

external control cohort

OTHER

external control from real word, data of patients with the same baseline characteristics from the same period and the same institute will be prospectively collected.

Other: data prospectively collected

Interventions

in cohort 1, all patients will receive Ultrafractionated RT (1Fx every 3 or 4weeks) and Sintilimab (q3w). Furthermore, CGA will assess all patients and classify them into Frail, Vulnerabe, or Fit. Frail patients will receive Best Supportive Care (BSC); Vulnerabe patients will receive Fluorouracil/Raltitrexed and BSC; Fit patients will receive Fluorouracil/Raltitrexed, Oxaliplatin/Irinotecan, and BSC.

CGA cohort

in cohort 2, external control from real word, data of patients with the same baseline characteristics from the same period and the same institute will be prospectively collected.

external control cohort

1Fx every 3 or 4weeks

CGA cohort

200 mg q3w

CGA cohort

5-Fluorouracil or capecitabine

CGA cohort

Raltitrexed

CGA cohort

Oxaliplatin

CGA cohort

irinotecan

CGA cohort

Eligibility Criteria

Age60 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • ≥70y, or, ≥60 and \<70y but ECOG≥2;
  • male or female;
  • Pathologically confirmed Colorectal adenocarcinoma;
  • any distance from anal verge;
  • Clinical stage ≥T2 and/or N+, without distance metastases;
  • refuse radical operation, physiologically or technically inoperable;
  • No previous radiotherapy in the same field;
  • No chemotherapy prior to enrollment;
  • No immunotherapy prior to enrollment;
  • With good compliance during the study
  • Signed written informed consent

You may not qualify if:

  • Known history of other malignancies within 3 years,except cured skin cancer, cervical cancer in situ or thyroid carcinoma.
  • Individuals with a history of uncontrolled epilepsy, central nervous system disease, or psychiatric disorders that, in the judgment of the investigator, are of such clinical severity that they may prevent the signing of an informed consent form or affect the patient's adherence to oral medications
  • Individuals with clinically serious (i.e., active) heart disease, such as symptomatic coronary artery disease, New York Heart Association (NYHA) class II or worse congestive heart failure or severe arrhythmia requiring pharmacologic intervention, or history of myocardial infarction within the last 12 months
  • Individuals with a history of organ transplantation requiring immunosuppressive therapy and long-term hormone therapy
  • Individuals with autoimmune diseases
  • Individuals with severe uncontrolled recurrent infections, or other severe uncontrolled concomitant diseases
  • Baseline hematology and biochemistry did not meet the following criteria: Hb≥90g/L; NEU ≥1.5×109/L; PLT ≥100×109/L; ALT, AST ≤2.5 times the upper limit of normal; ALP ≤2.5 times the upper limit of normal; TB \<1.5 times the upper limit of normal; Cr \<1 time the upper limit of normal; Alb ≥30g/L
  • Individuals allergic to any drug component of the study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Colonic NeoplasmsRectal Neoplasms

Interventions

sintilimabFluorouracilraltitrexedOxaliplatinIrinotecan

Condition Hierarchy (Ancestors)

Colorectal NeoplasmsIntestinal NeoplasmsGastrointestinal NeoplasmsDigestive System NeoplasmsNeoplasms by SiteNeoplasmsDigestive System DiseasesGastrointestinal DiseasesColonic DiseasesIntestinal DiseasesRectal Diseases

Intervention Hierarchy (Ancestors)

UracilPyrimidinonesPyrimidinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsCoordination ComplexesOrganic ChemicalsCamptothecinAlkaloids

Study Officials

  • Zhen ZHANG Principal Investigator

    Fudan University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Zhen ZHANG Principal Investigator

CONTACT

Yan WANG sub-Investigator

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

October 21, 2024

First Posted

October 22, 2024

Study Start

November 1, 2024

Primary Completion (Estimated)

November 1, 2027

Study Completion (Estimated)

November 1, 2028

Last Updated

October 28, 2024

Record last verified: 2024-10